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@ -719,7 +719,7 @@ block observable-transformers
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Fortunately, we can chain `Observable` operators to the string `Observable` that reduce the request flow.
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We'll make fewer calls to the `HeroSearchService` and still get timely results. Here's how:
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幸运的是,我们可以在字符串的`Observable`后面串联一个`Observable`操作符,来归并这些请求。
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幸运的是,我们可以在字符串的`Observable`后面串联一些`Observable`操作符,来归并这些请求。
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我们将对`HeroSearchService`发起更少的调用,并且仍然获得足够及时的响应。做法如下:
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* `debounceTime(300)` waits until the flow of new string events pauses for 300 milliseconds
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